A man who was seriously injured after he was assaulted on a Nottinghamshire street has died in hospital.
Shaun Lobb, 40, from Greenhill Rise, Carlton, was attacked on Victoria Road, Netherfield on the night of 10 October.
Police are now treating the case as murder and an incident room has been set up at Carlton Police Station.
Mr Lobb was taken to the Queen's Medical Centre but never regained consciousness. He was pronounced dead on Friday afternoon.
Two men, aged 19 and 18, have already been charged with grievous bodily harm in connection with the incident.
Liam Perry, 19, of Pinewood Gardens in Clifton and Craig Macgregor, 18, of no fixed address, were remanded in custody at Nottingham Magistrates' Court on 13 October.
Police have asked anyone who has not yet come forward to contact them in connection with Mr Lobb's death.